Sulphur is an important non-metallic yellow element. At ordinary temperature it exists as a solid. It melts at 119deg.c and boils at 444deg.c. It does not dissolve in water but does so in carbon...
Technically speaking, sulfur (note that it does NOT begin with a capital unless it is the first word in a sentence) is correct. 'Sulfur' is the international chemical term recommended by IUPAC...